"Every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving."

"I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones."

"An appeaser is one who feeds a crocodile, hoping it will eat him last."

"If we open a quarrel between past and present, we shall find that we have lost the future."

"Russia is a riddle wrapped in a mystery inside an enigma."

"The philosophy of the school room in one generation will be the philosophy of government in the next."